Home / 94,768.96-142,076.64-39,406.40

Finding the Fourth Proportional to 94,768.96, 142,076.64 and 39,406.40

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Solution

The fourth proportional to 94,768.96, 142,076.64 and 39,406.40 is: 59,077.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,768.96 : 142,076.64 = 39,406.40 : x
  2. Step 2: Convert to fraction form
    94,768.96/142,076.64 = 39,406.40/x
  3. Step 3: Cross multiply
    94,768.96x = 142,076.64 × 39,406.40
  4. Step 4: Simplify right side
    94,768.96x = 5,598,728,906.50
  5. Step 5: Solve for x
    x = 5,598,728,906.50/94,768.96
  6. Step 6: Final answer
    x = 59,077.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.